Surname Billón (Bilyon 
, Billón 
) , across the world, is an extremely rare last name. The cognomen Billón is habitual in Southern Europe, particularly Spain, where it is an extremely rare surname. Also, Billón is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bilyon | Philippines |
| Billón | Spain |
| josé gonzález billón Spanish artist (active 1895), ES (b. 1862) |
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